List of exoplanets discovered in 2019

This list of exoplanets discovered in 2019 is a list of confirmed exoplanets that were first observed during 2019.[1][2]

For exoplanets detected only by radial velocity, the listed value for mass is a lower limit. See Minimum mass for more information.

Name	Mass (`M`_J)	Radius (`R`_J)	Period (days)	Semi-major axis (AU)	Temp. (K)[3]	Discovery method	Distance (ly)	Host star mass (`M`_☉)	Host star temp. (K)	Remarks
7 Canis Majoris c	0.87		996.00	2.153		radial vel.	64.6	1.34	4826
Beta Pictoris c	9		1200	2.7		radial vel.	64.43	1.76
CI Tauri b	11.6^+2.9 _−2.7		8.9891±0.0202			radial vel.	515.3±3.9	0.90±0.02
DS Tucanae Ab		0.509±0.015	8.138268±0.000011		850	transit	143.89±0.22	1.01±0.06	5428±80
Epsilon Indi Ab	3.25		16510	11.55	64.25	radial vel.	11.87	0.75
Gliese 49 b	0.0177^+0.0021 _−0.0021		13.8508^+0.0053 _−0.0051	0.0905±0.0011		radial vel.	32.145±0.01	0.515±0.019	3805±51
Gliese 143 b	0.09637^+0.00827 _−0.00840	0.2280839±0.0282262	35.589^+0.006 _−0.005	0.1932±0.0002		transit	53.25±0.02	0.76^+0.03 _−0.02
Gliese 357 b	0.00579	0.1086	3.93072	0.035	525	transit	30.80	0.342	3505
Gliese 357 c	0.0107		9.1247	0.061	401.2	radial vel.	30.80	0.342	3505
Gliese 357 d	0.019		55.661	0.204	219.6	radial vel.	30.80	0.342	3505	Potentially habitable exoplanet
Gliese 378 b	0.04097 ± 0.006		3.822±0.001	0.082±0.002		radial vel.	48.79	0.56±0.01	3879±67
Gliese 411 b	0.00941±0.00145		12.9532±0.0079		349.83±0.32	radial vel.	8.284	0.386±0.039	3563±60
Gliese 685 b	0.028^+0.0053 _−0.0057		24.160^+0.061 _−0.047	0.1344^+0.0052 _−0.0051		radial vel.	46.7102	0.3816±0.069	0.55±0.06
Gliese 686 b	0.022±0.003		15.53209^+0.00166 _−0.00167	0.091±0.004	379⁺²⁴ ₋₂₅	radial vel.	26.612±0.008	0.42±0.05	3663±68
Gliese 4276 b	0.05213^+0.00296 _−0.00299		13.352±0.003	0.082±0.002		radial vel.	69.6±0.1	0.41±0.03	3387±51
HAT-P-69b	3.58	1.676	4.7869491	0.06555	1930	transit	1122	1.65	7394
HAT-P-70b	<6.78	1.87	2.74432452	0.04739	2562	transit	1073	1.89	8450
HATS-54b	0.76	1.067	2.5441828	0.03763	1625	transit	2510	1.10	5702
HATS-55b	0.921	1.251	4.2042001	0.05412	1367	transit	2034	1.20	6214
HATS-56b	0.602	1.688	4.324799	0.06043	1902	transit	1882	1.57	6536
HATS-57b	3.147	1.139	2.3506210	0.03493	1413.4	transit	913	1.03	5587
HATS-58Ab	1.03	1.095	4.2180896	0.05798	1721	transit	1605	1.46	7175
HATS-70b	12.9^+1.8 _−1.6	1.384^+0.079 _−0.074	1.8882378±0.0000015	0.03632^+0.00074 _−0.00087	2730⁺¹⁴⁰ ₋₁₆₀	transit	4263⁺¹⁹⁶ ₋₂₀₂	0.81^+0.50 _−0.33	1.08^+0.16 _−0.14
HD 1397 b	0.415±0.020	1.026^+0.025 _−0.027	11.53533^+0.00079 _−0.00080	0.1097^+0.0011 _−0.0013	1228.3^+10.0 _−9.9	transit	260.121	1.324^+0.042 _−0.046	5521±60
HD 2685 b	1.17±0.12	1.44±0.05	4.12688^+0.00005 _−0.00004	0.0568±0.0006	2061±28	transit	645.72^+2.77 _−2.28	1.43^+0.05 _−0.04	6801±76
HD 8326 b	0.210±0.062		158.991±1.440	0.533±0.011		radial vel.	100.2	0.80±0.05	4914⁺⁵¹ ₋₃₂
HD 13724 b	26.77^+4.40 _−2.20		14763.405^+4901.655 _−1599.795	12.40^+2.60 _−0.90		radial vel.	141.9±0.17	0.76±0.71	5868±27
HD 15337 b	0.0236^+0.0034 _−0.0032	0.146±0.005	4.75615±0.00017	0.0522±0.0012	1001.0±11.5	transit	146.36±0.23	0.90±0.03	5125±50
HD 15337 c	0.0255^+0.0057 _−0.0053	0.213±0.011	17.1784±0.0016	0.1268±0.0038	642±10	transit	146.36±0.23	0.90±0.03	5125±50
HD 20003 b	0.0367±0.0033	0.2051	11.8482^+0.0016 _−0.0017	0.0974^+0.0034 _−0.0039		radial vel.	142.86±4.08	0.88	5494±27
HD 20003 c	0.0454^+0.0046 _−0.0044	0.2103	33.9239^+0.0239 _−0.0266	0.1964^+0.0068 _−0.0078		radial vel.	142.86±4.08	0.88	5494±27
HD 20781 d	0.0334^+0.0038 _−0.0037		29.158^+0.0102 _−0.01	0.1647^+0.0076 _−0.0083		radial vel.	115.36±4.4	0.7	5256±29
HD 20781 e	0.0442±0.0049		85.5073^+0.0983 _−0.0947	0.3374^+0.0155 _−0.017		radial vel.	115.36±4.4	0.7	5256±29
HD 21411 b	0.207±0.081		84.288±0.127	0.362±0.007		radial vel.	±95.11	0.89±0.05	5605⁺²⁴⁷ ₋₁₃₂
HD 21693 b	0.0259^+0.0034 _−0.0033	0.1976	22.6786^+0.0085 _−0.0087	0.1455^+0.0058 _−0.0063		radial vel.	105.61±1.66	0.8	5430±26
HD 21693 c	0.0547±0.0056		53.7357^+0.0312 _−0.0309	0.2586^+0.0103 _−0.0113		radial vel.	105.61±1.66	0.8	5430±26
HD 21749 c	<0.0116	0.0796^+0.0057 _−0.0052	7.78993^+0.00051 _−0.00044	0.0695^+0.0021 _−0.0023	701⁺²⁵ ₋₂₃	transit	53.261±0.023	0.73±0.07	4640±100
HD 23472 b	0.05638^+0.00444 _−0.04405		17.667^+0.142 _−0.095	0.121±0.001		transit	127.46±0.13	0.75^+0.04 _−0.03
HD 23472 c	0.05405^+0.00337 _−0.04333		29.625^+0.224 _−0.171	0.170±0.001		transit	127.46±0.13	0.75^+0.04 _−0.03
HD 24085 b	0.0371±0.0098		2.0455±0.0002	0.034±0.001		radial vel.	179.4	1.22±0.07	6034⁺³² ₋₅₃
HD 25015 b	4.48^+0.30 _−0.28		6019.320^+679.365 _−262.980	6.19^+0.45 _−0.23		radial vel.	122.2±0.22	0.86±0.05	5160±63
HD 31527 b	0.0329±0.0028		16.5535^+0.0034 _−0.0035	0.1254^+0.0041 _−0.0045		radial vel.	125.8±2.9	0.96	5898±13
HD 31527 c	0.0445±0.0040.0039		51.2053^+0.0373 _−0.0368	0.2663^+0.0088 _−0.0095		radial vel.	125.8±2.9	0.96	5898±13
HD 31527 d	0.0372^+0.0053 _−0.0052		271.6737^+2.1135 _−2.2471	0.8098^+0.0273 _−0.0293		radial vel.	125.8±2.9	0.96	5898±13
HD 39855 b	0.027±0.005		3.2498±0.0004	0.041±0.001		radial vel.	75.93	0.87±0.05	5576⁺⁵⁰ ₋₄₆
HD 45184 b	0.0384^+0.0033 _−0.0032		5.8854±0.0003	0.0644^+0.002 _−0.0021		radial vel.	71.36±0.62	1.03	5869±14
HD 45184 c	0.0277^+0.0034 _−0.0032		13.1354^+0.0026 _−0.0025	0.11^+0.0034 _−0.0036		radial vel.	71.36±0.62	1.03	5869±14
HD 51608 b	0.0402^+0.0038 _−0.0037		14.0726±0.0016	0.1059^+0.0043 _−0.0046		radial vel.	113.6±2.02	0.8	5358±22
HD 51608 c	0.045^+0.0051 _−0.0048		95.9446^+0.1555 _−0.1366	0.3809^+0.0153 _−0.0164		radial vel.	113.6±2.02	0.8	5358±22
HD 64114 b	0.0560±0.0110		45.791±0.070	0.246±0.005		radial vel.	102.9	0.95±0.05	5676⁺³² ₋₈₇
HD 65216c	1.295±0.062		577.6±1.328	1.301±0.020		radial vel.	114.7±0.1	0.95±0.01	5718±8	Rediscovered in 2019 after false positive in 2013[4]
HD 92788 c	3.67^+0.30 _−0.25		11611.2975^+5055.06 _−905.820	10.50^+2.90 _−0.55		radial vel.	113.1385	1.15±0.07	5744±24
HD 92987 b	16.88^+0.69 _−0.65		10354.8375^+551.5275 _−270.2850	9.62^+0.36 _−0.26		radial vel.	142.2±0.22	1.08±0.06	5770±36
HD 97048 b	2.5			130		imaging	603	2.4	10000	Discovered using study of disk kinematics
HD 102843 b	0.3584±0.0456		3090.942±295.049	4.074±0.270		radial vel.	205.05	0.95±0.05	5436⁺¹⁴⁴ ₋₆₉
HD 103949 b	0.0352±0.0072		120.878±0.446	0.439±0.009		radial vel.	86.50	0.77±0.04	4792⁺⁶⁶ ₋₅₄
HD 125390 b	22.16		1756.2	3.16		radial vel.	503	1.36	4850
HD 180617 b	0.03839^+0.00315 _−0.0044		105.9^+0.09 _−0.1	0.3357^+0.0099 _−0.01		radial vel.	19.28±0.07	0.45±0.04	3557±51
HD 181234 b	8.37^+0.34 _−0.36		7462.0575^+80.3550 _−76.7025	12.40^+2.60 _−0.90		radial vel.	155.9±0.42	1.01±0.06	5386±60
HD 202772 Ab	1.017^+0.070 _−0.068	1.545^+0.052 _−0.060	3.308958±0.000083	0.05208^+0.00064 _−0.00068	2132⁺²⁸ ₋₃₀	transit	480.1^+8.2 _−7.8	1.72^+0.06 _−0.07	6272⁺⁷⁷ ₋₇₁
HD 206255 b	0.108±0.022		96.045±0.317	0.461±0.009		radial vel.	245.9	1.42±0.08	5635⁺⁸² ₋₉₉
HD 210193 b	0.4817±0.0733		649.918±8.599	1.487±0.031		radial vel.	137.8	1.04±0.06	5790⁺³⁸ ₋₅₀
HD 211970 b	0.0409±0.0079		25.201±0.025	0.143±0.003		radial vel.	42.4	0.61±0.04	4127⁺¹⁴⁹ ₋₉₄
HD 213885 b	0.0278^+0.0021 _−0.0020	0.1557^+0.0045 _−0.0046	1.008035^+0.000021 _−0.000020	0.02012^+0.00015 _−0.00012		transit	156.45721±0.4566189	1.068^+0.020 _−0.018	5978±50	A transiting 1-day-period super-Earth with an Earth-like composition around a bright (V=7.9) star unveiled by TESS
HD 213885 c	0.06277^+0.00434 _−0.00428		4.78503^+0.00056 _−0.000051	0.056798^+0.00044 _−0.00032	1265.4^+7.3 _−8.4	radial vel.	156.45721±0.4566189	1.068^+0.020 _−0.018	5978±50
HD 219666 b	0.0522±0.0041	0.420±0.015	6.03607^+0.00064 _−0.00063	0.06356±0.00265	1073±20	transit	307.98	1.03±0.03	5527±65
HD 220197 b	0.20		1728	2.729		radial vel.	210	0.91	5683
HD 221416 b	0.190±0.018	0.836^+0.031 _−0.028	14.2767±0.0037	0.1228^+0.00025 _−0.00026		transit	310.0931	1.212±0.074	5080±90	Hot Saturn-type planet confirmed by TESS
HD 221420 b	9.70^+1.10 _−1.00		22482⁺⁴²⁰⁰ ₋₄₁₀₀	18.5±2.3		radial vel.	101.7±0.12	1.67±0.11	5830±44
HD 233832 b	1.78		2058	2.827		radial vel.	192	0.71	4981
HIP 35173 b	0.0400±0.0085		41.516±0.077	0.217±0.004		radial vel.	108.25	0.79±0.05	4881⁺⁵⁵ ₋₈₁
HIP 54373 b	0.02712±0.00579		7.760±0.003	0.063±0.001		radial vel.	61.09	0.57±0.03	4021⁺²²⁶ ₋₁₄₆
HIP 54373 c	0.03914±0.00664		15.144±0.008	0.0990±0.0020		radial vel.	61.09	0.57±0.03	4021⁺²²⁶ ₋₁₄₆
HIP 71135 b	0.0592±0.0129		87.190±0.381	0.335±0.007		radial vel.	105.5	0.66±0.04	4146⁺¹⁰⁷ ₋₁₁₀
HIP 79098 (AB)b	20.5±4.5			345±6	2450±150	imaging	477.2±8.2	3.75±1.25		Brown dwarf
HR 858 b		0.1860^+0.0061 _−0.0057	3.58599±0.00015	0.0480^+0.0010 _−0.0011	1572⁺²² ₋₁₉	transit	104.35	1.145^+0.074 _−0.080	6201±50
HR 858 c		0.1730±0.0062	5.97293^+0.00060 _−0.00053	0.0674^+0.0014 _−0.0016	1326⁺¹⁸ ₋₁₆	transit	104.35	1.145^+0.074 _−0.080	6201±50
HR 858 d		0.1931^+0.0077 _−0.0074	11.2300^+0.0011 _−0.0010	0.1027^+0.0022 _−0.0025	1075⁺¹⁵ ₋₁₃	transit	104.35	1.145^+0.074 _−0.080	6201±50
HR 5183 b	3.23		27000	18	171	radial vel.	102.7	1.07	5794	Exoplanet found with one of the most elliptical orbits as of 2019
K2-32e		0.0901^+0.0089 _−0.008	4.34882^+0.00069 _−0.00075	0.04951±0.00055		transit	516.6±4.2	0.856±0.028		With a radius almost identical to that of the Earth it is almost certainly a terrestrial planet
K2-43c		0.216	2.198884		1093.7	transit	598	0.57	3841
K2-50c		0.089^+0.011 _−0.01	3.96151^+0.00046 _−0.00051			transit	845.82±10.63	0.61±0.06
K2-63c		0.35±0.11	25.4556±0.0047	0.189±0.011		transit	524.414±21	1.40±0.25	6771±303
K2-133e		0.154^+0.012 _−0.012	26.5841^+0.0018 _−0.0017	0.1346±0.0011	296±10	transit	245.3±0.7	0.46±0.01	3655±80
K2-146c	0.02358	0.195	4.00498		1093.7	transit	259	0.33	3385
K2-166c		0.109^+0.019 _−0.015	3.80464^+0.00091 _−0.00105			transit	1568.81^+31.64 _−29.03	1.07±0.03
K2-168c		0.105^+0.012 _−0.009	8.0468^+0.0024 _−0.0025			transit	800.91±13.67	0.91±0.03
K2-198c		0.1270	3.3596055		1229.9	transit	362	0.80	5213
K2-198d		0.2175	7.4500177		943.2	transit	362	0.80	5213
K2-282c		0.132^+0.012 _−0.009	0.70531±0.00005			transit	1638.22±25.34	0.94±0.04	5499±109	3rd planet discovered in 2020[5]
K2-290b	0.0664	0.273±0.014	9.21165^+0.00033 _−0.00034	0.0923±0.0066	1230±38	transit	897±12	1.19^+0.07 _−0.08	6302±120
K2-290c	0.774±0.047	1.006±0.050	48.36685^+0.00041 _−0.00040	0.0923±0.0066	676±16	transit	897±12	1.19^+0.07 _−0.08	6302±120
K2-291b	0.0204±0.0036	0.1418^+0.0085 _−0.0064	2.225177^+0.000066 _−0.000068	0.03261±0.00044		transit	295±2	0.93±0.04	5520±60
K2-292b	0.0771±0.0138	0.235^+0.010 _−0.009	16.9841±0.0008	0.13±0.01	795⁺³³ ₋₂₈	transit	372.76^+2.67 _−2.64	1.00±0.03	5725±65
K2-293b		0.219^+0.031 _−0.022	13.1225^+0.0011 _−0.0012		750⁺¹⁷⁰ ₋₅₀	transit	1290±22	0.96^+0.04 _−0.03	5532±78
K2-294b		0.148^+0.019 _−0.017	2.50387^+0.00022 _−0.00023		1425⁺⁷⁹ ₋₅₄	transit	1230±20	0.99^+0.03 _−0.03	5612±50
K2-295b	0.335±0.062	{0.897^+0.011 _−0.005	4.024867±0.000015	0.0451^+0.0006 _−0.0014	852⁺¹⁴ ₋₆	transit	736.1±7.8	0.74±0.04	4444±70
K2-296b		0.167^+0.018 _−0.04	28.1656^+0.0027 _−0.0028			transit	521.78±4.57	0.41^+0.11 _−0.05
K2-297b		0.062^+0.005 _−0.004	2.13174±0.00022			transit	831.31±5.48	0.78^+0.09 _−0.17
K2-298b		0.098^+0.012 _−0.011	4.16959^+0.00051 _−0.00053			transit	1441.42±26.65	0.8^+0.08 _−0.16
K2-299b		0.152^+0.053 _−0.028	4.50756^+0.00062 _−0.0006			transit	1219.21±16.28	0.93^+0.08 _−0.1	5724±72	Two more planets in star system discovered in 2020[5]
K2-300b		0.09^+0.021 _−0.012	2.87814^+0.00023 _−0.00026			transit	528.67±5.87	0.22^+0.04 _−0.06
K2-301b		0.145^+0.015 _−0.017	5.29711^+0.00074 _−0.0007			transit	1491.42±44.98	0.56±0.05	4114±99
K2-302b		0.08^+0.017 _−0.018	2.25372±0.00047			transit	359.49±3.52	0.41^+0.1 _−0.08		Two more planets in system discovered in 2020[5]
K2-303b		0.086^+0.01 _−0.013	1.58252^+0.00017 _−0.00018			transit	1034.57±9.59	0.71^+0.09 _−0.03
K2-304b		0.118^+0.007 _−0.008	2.28943±0.00019			transit	1380.78±23.94	0.83^+0.09 _−0.12
K2-305b		0.194^+0.06 _−0.037	18.0983^+0.006 _−0.0058			transit	2030.88±33.92	1.11^+0.14 _−0.12
K2-306b		0.143^+0.012 _−0.014	34.885^+0.011 _−0.01			transit	931.54±6.69	0.91^+0.04 _−0.16
K2-307b		0.1^+0.011 _−0.008	15.2841^+0.0037 _−0.0029			transit	1053.09±20.65	0.95±0.04
K2-308b		0.884±0.087	3.38628±0.00002			transit		1.09±0.09	6100±263
K2-310b		0.2307±0.0112	13.6030±0.0013	0.0980±0.0040	536±18	transit	1133.22	0.690±0.038	4684±79
K2-310c		0.2400±0.0130	65.5500±0.0089	0.280±0.006	316±10	transit	1133.22	0.690±0.038	4684±79
K2-311b	<13	1.11±0.07	3650⁺¹²⁸⁰ ₋₁₁₃₀	4.5±1.0	183⁺²⁵ ₋₁₈	transit	1826.48	0.90±0.09	4898±68
KELT-23Ab	0.938^+0.048 _−0.044	1.323±0.025	2.255251^+0.000011 _−0.000012	0.03302^+0.00068 _−0.00064	1561±20	transit	409.07±1.14	0.94^+0.06 _−0.05	5899±49
KELT-24b	5.18	1.272	5.5514926	0.06969	1459	transit	313.2	1.46	6509
Kepler-47d	0.05984^+0.07501 _−0.03672	0.628^+0.059 _−0.044	187.366^+0.069 _−0.051	0.6992^+0.0031 _−0.0033		transit	4900	0.957^+0.013 _−0.015
Kepler-65e	0.653^+0.056 _−0.055		258.8^+1.5 _−1.3	0.362±0.007		radial vel.	999.3±8.8	1.25±0.06	6211±66
Kepler-82f	0.0658±0.0031		75.732±0.012	0.3395±0.0041		timing	3026.64	0.91±0.03	5401±108
Kepler-448c	22		2500	4.2		timing	1318	1.5
Kepler-1658b	5.88	1.04	3.8494	0.0546		transit	2629.05	2.891^+0.130 _−0.106	6216±78	First exoplanet candidate detected by Kepler Space Telescope (known as KOI-4.01), confirmed in 2019.
Kepler-1659b	0.028±0.001	0.17±0.02	13.608±0.00006	0.11229		transit	3812.7570	1.02
Kepler-1659c	0.0014±0.001	0.17±0.03	20.4415±0.0013	0.1472		transit	3812.7570	1.02
Kepler-1660b	7.693±0.054			237.68977±0.08237		timing	4013.68±73.27	1.21		This detection arose from a search for eclipse timing variations among the more than 2,000 eclipsing binaries observed by Kepler.
KMT-2016-BLG-0212Lb	18			2.2		microlensing	21000	0.48
KMT-2016-BLG-1107Lb	3.283^+3.468 _−1.835			0.342^+0.070 _−0.085		microlensing	21700⁺³⁰⁹⁰ ₋₄₄₀₀	0.087^+0.092 _−0.049
KMT-2017-BLG-0165Lb	0.11^+0.05 _−0.04			3.45^+0.98 _−0.95		microlensing	14774.88	0.760^+0.340 _−0.270		[6][7]
KMT-2017-BLG-1038Lb	2.0^+2.0 _−1.1			1.8^+0.6 _−0.5		microlensing	19569.3826	0.37^+0.36 _−0.20
KMT-2017-BLG-1146Lb	0.710^+0.800 _−0.420			1.6±0.6		microlensing	21200.16	0.33^+0.36 _−0.20
KMT-2018-BLG-1990Lb	0.348			0.763		microlensing	3150	0.09
LHS 3844 b		0.1162±0.0020	0.46292913±0.00000190	0.00622±0.00017	805±20	transit	48.60±0.03	0.15±0.01	3036±77
LP 791-18 b		0.0999	0.9480050	0.009690	650	transit	86.41	0.14	2960
LP 791-18 c		0.206	4.989963	0.029392	370	transit	86.41	0.14	2960
Luyten 98-59 b	0.00157^+0.00094 _−0.00063	0.071±0.004	2.25314±0.00002	0.0233±0.0017		transit	34.64	0.31±0.01	{3367±150
Luyten 98-59 c	0.00755^+0.00566 _−0.00252	0.12^+0.007 _−0.006	3.690621^+0.000013 _−0.000014	0.0324±0.0023-0.0024		transit	34.64	0.31±0.01	3367±150
Luyten 98-59 d	0.0107^+0.0085 _−0.0044	0.14±0.012	7.45086^+0.00004 _−0.00005	0.052±0.004		transit	34.64	0.31±0.01	3367±150
LSPM J2116+0234 b	0.04185^+0.00315 _−0.00346		14.4399^+0.0078 _−0.0087	0.0876^+0.0022 _−0.0021		radial vel.	57.53±0.07	0.43±0.03	3475±51
LTT 1445 Ab	0.0069	0.123	5.35882	0.03807	433	transit	22.4	0.26	3337	[8]
MOA-bin-29b	0.600			0.48		microlensing	23200	0.03
NGTS-4b	0.0648±0.0094	0.284±0.023	1.3373508±0.0000080	0.019±0.005	1650±400	transit	921.7±5.9	0.75±0.02	5143±100
NGTS-5b	0.229±0.037	1.136±0.023	3.3569866±0.0000026	0.0382±0.0013	952±24	transit	309.5±8.5	0.66^+0.07 _−0.06	4987±41
NGTS-6b	1.339	1.326	0.8820590	0.01677		transit	1010	0.77	4730
NGTS-8b	0.93	1.09	2.49970	0.035	1345	transit	1420	0.89	5241
NGTS-9b	2.90	1.07	4.43527	0.058	1448	transit	1420	1.34	6330
NSVS 14256825 b	14.15±0.16		3225±22	3.12±0.07		timing	2734.2±137.31	0.42±0.07	40000
NY Virginis c	5.54		8799			timing	1800
OGLE-2015-BLG-1649L	2.54			2.07		microlensing	1380	0.34
OGLE-2015-BLG-1670Lb	0.0563^+0.0302 _−0.0277			2.62^+0.58 _−0.60		microlensing	22000⁺³³⁰⁰ ₋₄₂₀₀	0.55±0.28
OGLE-2016-BLG-1067Lb	0.43			1.70		microlensing	3730	0.30
OGLE-2018-BLG-0596Lb	0.04383±0.00491			0.97±0.13		microlensing	18400±2400	0.23±0.03
OGLE-2018-BLG-0740Lb	4.8		5480	6.1		microlensing	10400	1.0	5912
OGLE-2018-BLG-1011Lb	1.8			6.1		microlensing	23000	0.18
OGLE-2018-BLG-1011Lc	2.8			0.80		microlensing	23000	0.18
PDS 70b	8.0±6.0	>1.3	43500	22		imaging	369.96±1.70	0.76±0.02	3972±36
PDS 70c	8.0±4.0			34.5±2		imaging	369.96±1.7	0.76±0.02	3972±36
Qatar-6b	0.668	1.062	3.506195	0.0423		transit	330	0.822	5052
Qatar-7b	1.88±0.25	1.70±0.03	{2.0320460±0.0000097	0.0352±0.0002		transit	2364.6337	1.409±0.026	6387±38
Qatar-8b	0.371±0.062	1.285±0.022	3.71495±0.00100	0.0474±0.0008	1457±14	transit	902.5±11	1.03±0.05	5738±51
Qatar-9b	1.19±0.16	1.009±0.014	1.540731±0.000038	0.0234±0.0003	1134±9	transit	689.5±5.2	0.72±0.02	4309±31
Qatar-10b	0.736±0.090	1.543±0.040	1.645321±0.000010	0.0286±0.0006	1955±25	transit	1760±33	1.16±0.07	6124±46
SDSS J1228+1040 b		0.0009^+0.0045 _−0.000758	0.0857±0.00021	0.0034±0.000009	1800	timing	413.337977±0.4892346	0.705±0.05		The smallest known exoplanet discovered.
Teegarden b	0.00330^+0.00041 _−0.00038		4.9100±0.0014	0.0252^+0.0008 _−0.0009		radial vel.	12.50±0.013	0.09±0.01	2904±51
Teegarden c	0.00349^+0.00050 _−0.00047		11.409±0.009	0.0443^+0.0014 _−0.0015	226	radial vel.	12.50±0.013	0.09±0.01	2904±51	Potentially habitable exoplanet
TOI-125 b	0.0299±0.00277	0.2432±0.00669	4.65382±0.00033	0.05186^+0.00086 _−0.00077	1037±11	transit	363.3382±1.435088	0.859^+0.044 _−0.038	5320±39	[9][10]
TOI-125 c	0.02086±0.00311	0.24614±0.009	9.15059^+0.0007 _−0.00082	0.814±0.0013	827.8±8.6	transit	363.3382±1.435088	0.859^+0.044 _−0.038	5320±39	[11][10]
TOI-125 d	0.0428±0.0038	0.2614±0.0152	19.98^+0.005 _−0.0056	0.05186^+0.00086 _−0.00077	638.1±6.6	transit	363.3382±1.435088	0.859^+0.044 _−0.038	5320±39	[12][10]
TOI-150b	1.75^+0.14 _−0.17	1.38±0.04	5.857342^+0.000065 _−0.000066	0.0583^+0.0013 _−0.0018	1493⁺²⁹ ₋₃₂	transit	1095.89±6.52	1.25^+0.07 _−0.12	6003⁺¹⁰⁴ ₋₉₈
TOI-163b	1.22	1.489	4.231306	0.0580	1669	transit	1359	1.44	6495
TOI-172b	5.42^+0.22 _−0.20	0.965^+0.032 _−0.029	9.47725^+0.00064 _−0.00079	0.0914±0.0017		transit	1097.418	1.128^+0.065 _−0.061	5645±50
TOI-216b	0.094^+0.063 _−0.044	0.686^+0.145 _−0.074	17.089^+0.011 _−0.015	0.1293^+0.0067 _−0.0051	628⁺¹³ ₋₁₁	transit	583.30^+2.9 _−2.9	0.87^+0.04 _−0.03	5026±125
TOI-216c	0.63^+0.53 _−0.31	1.007^+0.052 _−0.037	34.556^+0.014 _−0.010	0.2069^+0.0107 _−0.0082	497⁺¹⁰ ₋₈	transit	583.30±2.9	0.87^+0.04 _−0.03	5026±125
TOI-270b	0.0050	0.1112	3.360080	0.0306	528	transit	73.23	0.40	3386	[13][14]
TOI-270c	0.0193	0.216	5.660172	0.0472	424	transit	73.23	0.40	3386	[13][14]
TOI-270d	0.0150	0.190	11.38014	0.0733	340	transit	73.23	0.40	3386	[13][14]
TOI-564b	1.463^+0.10 _−0.096	1.02^+0.71 _−0.29	1.651144±0.000018	0.02734^+0.00061 _−0.00053	1714⁺²⁰ ₋₂₁	transit	643.8±5.9	0.998^+0.068 _−0.057	5640⁺³⁴ ₋₃₇	[15]
TOI-905b	0.667^+0.042 _−0.041	1.171^+0.052 _−0.051	3.739494±0.000038	0.04666^+0.00096 _−0.0011	1192⁺³⁹ ₋₃₆	transit	489.9^+23.5 _−22.5	0.968^+0.061 _−0.068	5570⁺¹⁵⁰ ₋₁₄₀	[15]
V1298 Tauri b		0.911^+0.049 _−0.053	24.13861^+0.00102 _−0.00090	0.1687^+0.0025 _−0.0026	668±22	transit	353.9±2.3	1.10±0.05	4970±120	[16]
V1298 Tauri c		0.499	8.24958	0.0825	845±27	transit	353.9	1.10	4970	[17]
V1298 Tauri d		0.572	12.4032	0.1083	677±22	transit	353.9	1.10	4970	[17]
V1298 Tauri e		0.780	60	0.308	492⁺⁶⁶ ₋₁₀₄	transit	353.9	1.10	4970	[17]
WASP-18Ac	0.174±0.039		2.1558	0.035		timing	404	1.22	6400
WASP-126c	0.202±0.077		7.63±0.17			timing	763.206±48.9235	1.12	5800
WASP-166b	0.101±0.005	0.63±0.03	5.443540±0.000004	0.0641±0.0011	1270±30	transit	368.55	1.19±0.06	6050±50
WASP-169b	0.561	1.304	5.6114118	0.0681	1604	transit	2080	1.34	6110
WASP-171b	1.084	0.980	3.8186244	0.05040	1642	transit	2530	1.17	5965
WASP-175b	0.990	1.208	3.0652907	0.04403	1571	transit	2080	1.21	6229
WASP-177b	0.508±0.038	1.58^+0.66 _−0.83	3.071722±0.000001	0.03957±0.00058	1142±32	transit	580.5583	0.876±0.038	5017±70
WASP-178b	1.66	1.81	3.3448285	0.0558	2470	transit	1360	2.07	9360	[18]
WASP-180Ab	0.9	1.24	3.409264	0.048		transit	830	1.3	6600
WASP-181b	0.299±0.034	1.184^+0.071 _−0.059	4.159±0.0000034	0.00542±0.00069	1186⁺³² ₋₂₆	transit	1444.872	1.04±0.04	5839±70
WASP-182b	0.148	0.850	3.3769848	0.0451	1479	transit	1080	1.08	5638
WASP-183b	0.502±0.047	1.47^+0.94 _−0.33	4.11177±0.0000051	0.0463±0.00075	1111±30	transit	1069.79292	1.00±0.03	0.784±0.038
WASP-184b	0.57	1.33	5.18170	0.0627	1480	transit	2090	1.23	6000	[18]
WASP-185b	0.980	1.25	9.38755	0.0904	1160	transit	897	1.12	5900	[18]
WASP-190b	1.0±0.1	1.15±0.09	5.367753±0.000004	0.0663±0.0008	1500±50	transit	1796.323	1.35±0.05	6400±100
WASP-192b	2.30	1.23	2.8786765	0.0408	1620	transit	1610	1.09	5910	[18]
KMT-2016-BLG-1836L b	2.2^+1.9 _−1.1			3.5^+1.1 _−0.9		microlensing	23157.1^+2609.25 _−7827.753	0.49^+0.38 _−0.25		[19]
HD 85628 A b	3.1±0.9	1.53^+0.07 _−0.04	2.82406±0.00003	0.047±0.004	2100±100	transit	559.47±3.05	1.75±0.05	7800±200	Mascara-4b: A3V giant star and a planet on retrograde orbit.[20]
OGLE-2016-BLG-1227 b	0.79^+1.3 _−0.39			3.4^+2.1 ₋₁		microlensing		0.1^+0.17 _−0.05		[21]
OGLE-2013-BLG-0911L b	9.51^+2.72 _−1.69					microlensing	10500⁺¹⁵⁰⁰ ₋₁₁₀₀	0.29^+0.07 _−0.05		[22]
L 1159-16 b	0.088^+0.060 _−0.035		241.59^+4.6 _−4.0	0.403^+0.039 _−0.047		radial vel.	14.584±0.007	0.15	3158	[23][24]
L 1159-16 c	0.222^+0.083 _−0.068		766.954^+16.710 _−19.237	0.871^+0.087 _−0.100		radial vel.	14.584±0.007	0.15	3158	[23][24]

Specific exoplanet lists

References

"NASA Exoplanet Archive". exoplanetarchive.ipac.caltech.edu. California Institute of Technology. Retrieved 27 March 2018.
"Extrasolar Planet's Catalogue (sic)". Kyoto University. Retrieved 20 December 2019.
"The Extrasolar Planets Encyclopaedia". Retrieved 20 January 2018.
Wittenmyer, Robert A.; et al. (2019). "Truly eccentric – I. Revisiting eight single-eccentric planetary systems". Monthly Notices of the Royal Astronomical Society. 484 (4): 5859–5867. arXiv:1901.08471. Bibcode:2019MNRAS.484.5859W. doi:10.1093/mnras/stz290.
ULTRA SHORT PERIOD PLANETS IN K2 III: NEIGHBORS ARE COMMON WITH 12 NEW MULTI-PLANET SYSTEMS AND 26 NEWLY VALIDATED PLANETS IN CAMPAIGNS 0-8, 10, 2020, arXiv:2011.11698
KMT-2017-BLG-0165Lb: A Super-Neptune mass planet Orbiting a Sun-like Host Star, 2018, arXiv:1809.01288
KMT-2017-BLG-2820 and the Nature of the Free-Floating Planet Population, 2020, arXiv:2010.07527
THREE RED SUNS IN THE SKY: A TRANSITING, TERRESTRIAL PLANET IN A TRIPLE M DWARF SYSTEM AT 6.9 PARSECS, 2019, arXiv:1906.10147
exoplanet.eu toi-125_b
Mass determinations of the three mini-Neptunes transiting TOI-125, 2020, arXiv:2001.08834
exoplanet.eu toi-125_c
exoplanet.eu toi-125_d
"太陽系外惑星「TOI 270 b、c、d」を発見。地球外生命体の存在は？". sorae. 2019-07-30. Retrieved 2021-01-08.
Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley, 2021, arXiv:2101.01593
Davis, Allen B.; Wang, Songhu; et al. (2020). "TOI 564 b and TOI 905 b: Grazing and Fully Transiting Hot Jupiters Discovered by TESS". Astronomical Journal. 160: 229. arXiv:1912.10186. doi:10.3847/1538-3881/aba49d/pdf.
A WARM JUPITER-SIZED PLANET TRANSITING THE PRE-MAIN SEQUENCE STAR V1298 TAU, 2019, arXiv:1902.09670
Four newborn planets transiting the young solar analog V1298 Tau, 2019, arXiv:1910.04563
WASP-South hot Jupiters: WASP-178b, WASP-184b, WASP-185b & WASP-192b, 2019, arXiv:1907.11667
Yang, Hongjing; et al. (2020). "KMT-2016-BLG-1836Lb: A Super-Jovian Planet from a High-cadence Microlensing Field". The Astronomical Journal. 159 (3): 98. arXiv:1908.10011. Bibcode:2020AJ....159...98Y. doi:10.3847/1538-3881/ab660e.
exoplanet.eu Planet OGLE-2016-BLG-1227 b
exoplanet.eu Planet OGLE-2013-BLG-0911L b
Barnes, J. R.; et al. (2019-06-11), Frequency of planets orbiting M dwarfs in the Solar neighbourhood, arXiv:1906.04644v1, Bibcode:2019arXiv190604644T.
Search for Nearby Earth Analogs. III. Detection of ten new planets, three planet candidates, and confirmation of three planets around eleven nearby M dwarfs, 2020, arXiv:2008.07998

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[1] "NASA Exoplanet Archive". exoplanetarchive.ipac.caltech.edu. California Institute of Technology. Retrieved 27 March 2018.

[2] "Extrasolar Planet's Catalogue (sic)". Kyoto University. Retrieved 20 December 2019.

[3] "The Extrasolar Planets Encyclopaedia". Retrieved 20 January 2018.

[Wittenmyer2019-4] Wittenmyer, Robert A.; et al. (2019). "Truly eccentric – I. Revisiting eight single-eccentric planetary systems". Monthly Notices of the Royal Astronomical Society. 484 (4): 5859–5867. arXiv:1901.08471. Bibcode:2019MNRAS.484.5859W. doi:10.1093/mnras/stz290.

[Adams2020-5] ULTRA SHORT PERIOD PLANETS IN K2 III: NEIGHBORS ARE COMMON WITH 12 NEW MULTI-PLANET SYSTEMS AND 26 NEWLY VALIDATED PLANETS IN CAMPAIGNS 0-8, 10, 2020, arXiv:2011.11698

[6] KMT-2017-BLG-0165Lb: A Super-Neptune mass planet Orbiting a Sun-like Host Star, 2018, arXiv:1809.01288

[7] KMT-2017-BLG-2820 and the Nature of the Free-Floating Planet Population, 2020, arXiv:2010.07527

[8] THREE RED SUNS IN THE SKY: A TRANSITING, TERRESTRIAL PLANET IN A TRIPLE M DWARF SYSTEM AT 6.9 PARSECS, 2019, arXiv:1906.10147

[9] xoplanet.eu toi-125_b

[Nielsen2019-10] Mass determinations of the three mini-Neptunes transiting TOI-125, 2020, arXiv:2001.08834

[11] xoplanet.eu toi-125_c

[12] xoplanet.eu toi-125_d

[sorae-13] "太陽系外惑星「TOI 270 b、c、d」を発見。地球外生命体の存在は？". sorae. 2019-07-30. Retrieved 2021-01-08.

[Eylen2021-14] Masses and compositions of three small planets orbiting the nearby M dwarf L231-32 (TOI-270) and the M dwarf radius valley, 2021, arXiv:2101.01593

[:0-15] Davis, Allen B.; Wang, Songhu; et al. (2020). "TOI 564 b and TOI 905 b: Grazing and Fully Transiting Hot Jupiters Discovered by TESS". Astronomical Journal. 160: 229. arXiv:1912.10186. doi:10.3847/1538-3881/aba49d/pdf.

[16] A WARM JUPITER-SIZED PLANET TRANSITING THE PRE-MAIN SEQUENCE STAR V1298 TAU, 2019, arXiv:1902.09670

[David2019-17] Four newborn planets transiting the young solar analog V1298 Tau, 2019, arXiv:1910.04563

[Hellier2019-18] WASP-South hot Jupiters: WASP-178b, WASP-184b, WASP-185b & WASP-192b, 2019, arXiv:1907.11667

[19] Yang, Hongjing; et al. (2020). "KMT-2016-BLG-1836Lb: A Super-Jovian Planet from a High-cadence Microlensing Field". The Astronomical Journal. 159 (3): 98. arXiv:1908.10011. Bibcode:2020AJ....159...98Y. doi:10.3847/1538-3881/ab660e.

[21] xoplanet.eu Planet OGLE-2016-BLG-1227 b

[22] xoplanet.eu Planet OGLE-2013-BLG-0911L b

[barnes2019-23] Barnes, J. R.; et al. (2019-06-11), Frequency of planets orbiting M dwarfs in the Solar neighbourhood, arXiv:1906.04644v1, Bibcode:2019arXiv190604644T.

[Feng2020-24] Search for Nearby Earth Analogs. III. Detection of ten new planets, three planet candidates, and confirmation of three planets around eleven nearby M dwarfs, 2020, arXiv:2008.07998

2019 in space
« 2018 2020 »
Space probe launches	Beresheet (lunar lander; Feb 2019) LightSail 2 (solar sail demonstration; Jun 2019) Chandrayaan-2 / Vikram / Pragyan (lunar obiter, lander and rover; Jul 2019)
Impact events	Kamchatka meteor (announced) 2019 MO
Selected NEOs	Asteroid close approaches 2018 XB4 2019 AS5 2016 AZ8 66391 Moshup 2019 OK 1620 Geographos 2006 QV89 2100 Ra-Shalom 2019 SU3 2019 TA7 2019 UN13
Exoplanets	AD Leonis b Beta Pictoris c DS Tucanae b Gliese 251 c Gliese 357 d Gliese 588 b c Gliese 687 c Gliese 555 b Gliese 754 b Gliese 784 b HR 5183 b Kepler-47d K2-288Bb L 1159-16 b c d LP 816-60 b LTT 1445 Ab Luyten's Star d e PDS 70c Proxima Centauri c Struve 2398 Bb Bc Tau Ceti i (hypothesized) Teegarden's Star b c V1298 Tauri b c d e Wolf 359 b c
Discoveries	2019 AQ3 ASASSN-19bt AT2019qiz GRB 190114C EPIC 204376071 FarFarOut GW190412 GW190521g (first-ever light from bh-bh merger) GW190814 (first-ever "mass-gap" collision) K2-18b water vapor M87* imaged PSR J0030+0451 mapped PSR J0740+6620 S5-HVS1 2I/Borisov 20 moons of Saturn WD 0145+234 detection of exoasteroid disruption WD J0914+1914
Comets	289P/Blanpain 78P/Gehrels 168P/Hergenrother 163P/NEAT 138P/Shoemaker–Levy 171P/Spahr
Space exploration	New Horizons (encounter with 486958 Arrokoth; Dec 2018 / Jan 2019) Chang'e 4 / Yutu-2 (landing on the far side of the Moon; Jan 2019) Opportunity (end of mission; Aug 2018 / Feb 2019) Hayabusa2 (departure from 162173 Ryugu; Dec 2019)
Category:2018 in space — Category:2019 in space — Category:2020 in space